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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

70°F

21°C

Humidity 93%
Wind Speed SE 13 G 23 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jul 9:53 am CDT
Extended Forecast for

Martinsburg IA

Flood Watch until July 31, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until July 31, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • Today

    High: 78 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then scattered showers and thunderstorms after 11pm. Low around 62. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers then
    Scattered
    T-storms

  • Thursday

    Thursday: Isolated showers before 7am. Mostly sunny, with a high near 75. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 75 °F

    Isolated
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Cloudy, with a high near 78. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then scattered showers and thunderstorms after 11pm. Low around 62. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
Isolated showers before 7am. Mostly sunny, with a high near 75. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 55. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsburg IA
 41.18°N 92.27°W (Elev. 810 ft)
Last Update:
9:33 am CDT Jul 30, 2025
Forecast Valid:
10am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation